These arrangements are common in football -- the Aztecs, for instance, accepted more than $1 million to travel to Columbus, Ohio and take on the Buckeyes next week -- but the team signing the check is generally expected to come out on top.

"It's a huge win for us and a great start to the season," said Panthers' quarterback Jimmy Garoppolo. "We're on a good roll. There was a lot of preseason hype around us, but this really shows we didn't buy into the hype too much."

If it's any consolation, SDSU is not the only FBS team that was shocked by an FCS foe on college football's opening weekend.

As this CBSSports story summarizes it, seven FCS teams pulled off upsets over members of college football's top echelon in Week 1:

Towson beat UConn 33-18, and was paid $275,000 for its visit to Storrs, Conn.